A double stringer staircase features two structural members—known as stringers—positioned either underneath each side of the treads or on the outer edges.
: Precise dimensions for the horizontal walking surface (tread) and the vertical height between them (riser). double stringer staircase detail dwg free
A professional CAD detail for a double stringer staircase typically includes several critical views and specifications: double stringer staircase detail dwg free
: If the staircase is a "switch-back" or L-shape, the DWG will detail the middle landing's support structure. Where to Find Free Double Stringer DWG Files double stringer staircase detail dwg free